Facing apparatus



A. SATTEL FACING APPARATUS gnal Filed Feb. 27. 1922 INVENTOR ATTO RNEY Nov. 24

WITNESS Patented Nov. 24, 1925.

UNITED STATES ALVIN sA'rTEI., or JoHNsTowN, PENNSYLVANIA.

FACING APPARATUS.

. Application led Februaxy'?, 1922,Seria1 No. 539,601. Renewed September 4, 1925.

to facing apparatus, and has for its object` the provision of a novel facing mechanism designed for use; in dressing and shaping linger rings during their process of manufacture whereby to avoid the laborious manual labor involved in filing the rings by hand which is the ordinary method.

An important object is the provision of a. mechanism which includesa lathe or`rotaryI 29 spindle with which is associated a rotary facing element capable of grindingl the exf ternal surface of la finger ring to any desired crossv sectional vshape and also for facing the interioi` of thering whereby to give it proper shape.

Still another object is the provision of a facing mechanism of this character which includes the provision of a plurality of interchangeable facing disks' having their peripheries of various shape s o that aring may be dressed to any shape desired. An additional object is the provision of a device-of this character which will be eX- tremely simple and inexpensivein manufacture, highly efficient in use, a great-time and labor saver, durable inf surface, and a general'improvement in the art. lVith the above and other objects and advantages in View, the invention-consists in more fully described and claimed, and illustrated in the accompanying drawings, v in which e Figure 1 'is a side elevation of a lathe showing a drive motor associated therewith and illustrating my facing tool applied.

Figure 2 is a longitudinal sectional view through my facing device and showing it associated with the spindle of the lathe.

Figure 8 is a somewhat diagrammatic view illustrating the dressing o a ring,

Figure 4 is a side elevation of a Inodied diskhaving a convex active surface,

Figure 5 is an edge view of a disk having a flat active face,

`face desired to be ground. Each disk is the details of construction to' be hereinafterv Figure 6 is a similar view of a disk having ajgrooved active face, and p f Figure 7 is an edge view of still another wheel having a V-'shaped active face.

Referring more particularly to the drawings, the numeral 10 designates a lathe including the usual rotary spindle 11 upon which is mounted a pulley 12 driven by a .that they have peripheries of different shapes depending upon the shape of the surformed with a central threaded hole 18 for engagement upon the threaded end of the llathe spindle and furthermore each disk has its periphery, regardless of the shape thereof, formed in exactly the same manne;` as a file. .These disks, regardless of which is used are for the purpose of working upon .the outside surface of a finger ring or other suitable or similar device to be dressed.

In order to work upon the inside surface of the ring or other article, I make use of anA elon ated 'facing element 19 lwhich is designe to be screwed upon the threaded end of thel 4spindle' subsequent to the engagement of the Adisk thereon. This elongated, member 19 -is likewise formed in exactly the same manner as a le and has one end formed with a threaded socket 20 receiving the threaded end of the spindle.

In Figure 3 I have illustrated somewhat the operation it will be apparent that when the spindle 11 will be rotated by means `of the motor and the belt and pulley connection, the disk and elongated tool will both be rapidly rotated. In order to face the outsi e surface of a ring it is merely necessary that the operator or workman hold the ring and bring -its periphery into engagement with the peripher of the disk which is used. Of course the sur ace left by the tool will depend entirely u on'which disk is used and 1t is ap arent t at I have rovided a plu- `rality o disks having perip cries of different shapes whereby to effect different dresso5 diagrammatically the use of the device. In y ings. In dressing out the inside of a ring .it will be apparent that the ring is slid over the elongated member 19 so that the latter will work upon and face the inside surface of the ring or other article to be treated.

From the foregoing description and a study of the drawings it will be apparent that I have thus provided a very simply constructedA and consequently inexpenslve facing device Which Will be a great time and labor saver as it rovides power driven means for actually ling rings and .other articles to the desired shape instead of this Work being done by hand which is very laborious and tedious. It will be apparent that my device is a distinct improvement over any attempt to use an emery Wheel or the like as the emery Wheels and stones do notl leave the proper surface upon the jewelry Whereas the file structure which I employ leaves the Work with a perfectly finished surface.

While I have shown and described `the referred embodiment *of the invention, it 1s of course to be understood that I reserve the right to make such changes in the form', construction and arrangement of parts as will not depart from the spirit of the in- Ivention or the scope of the subjoined, A

claim.

Having thus described my invention what I claim is v -A facing apparatus of the character described comprlsing a lathe including a power driven spindle having one end threaded, in combination With a disk havling a central threaded hole adapted to be screwed upon saidV threaded end of the In testimony lwhereof I affix my signature.

DR. ALVIN' SATTEL. 

